Disable\Enable SiteCollection visual upgrade - SharePoint

How to Disable\Enable SharePoint SiteCollection visual upgrade with PowerShell?

Open SharePoint Management Shell as Administrator

Disable:

$webAppUrl = "https://sbportal";
Get-SPSite -Limit All -CompatibilityLevel 14 -WebApplication $webAppUrl | % { $_.AllowSelfServiceUpgrade = $false; $_.AllowSelfServiceUpgradeEvaluation = $false; }


Enable:

$webAppUrl = "https://sbportal";
Get-SPSite -Limit All -CompatibilityLevel 14 -WebApplication $webAppUrl | % { $_.AllowSelfServiceUpgrade = $true; $_.AllowSelfServiceUpgradeEvaluation = $true; }